pthread_cancel and C++11 redux

[Jonathan Wakely]

On 27 October 2017 at 13:12, Florian Weimer wrote:
> * Jonathan Wakely:
>
>> On 26 October 2017 at 15:08, Vuille, Martin (Martin) wrote:
>>> Back in 2015, the statement was made:
>>> "accept that you shouldn't use pthread_cancel in C++11"
>>>
>>> (cf. https://gcc.gnu.org/ml/gcc-help/2015-08/msg00040.html)
>>>
>>> Wondering whether anything has changed or is likely to change?
>>> MV
>>
>> Nothing has changed.
>
> Would it help if you could mark threads as not subject to cancellation
> (such as those spawned by a C++ concurrency library)?  Then the caller
> of pthread_cancel would get a clean error, and pthread_exit would
> abort the process with an explicit error message.

Yes, that might be nice.